Metric (Imperial)

Date	Time (edt)	Wind (kph)	Vis. (km)	Weather	Sky Cond.	Temperature (ºC)				Relative Humidity	Wind Chill (°C)	Heat Index (°C)	Pressure		Precipitation (cm)
						Air	Dwpt	6 hour					altimeter (cm)	sea level (mb)	1 hr	3 hr	6 hr
								Max.	Min.
27	19:15	NW 22 G 33	16.09	Light Rain	SCT009 BKN012 OVC019	13	11.7			92%			76.48	0.0	0.05
27	18:55	NW 13	16.09	Light Rain	SCT012 BKN021 OVC033	14.2	13			93%			76.45	0.0	0.2
27	18:35	W 15	8.05	Rain	SCT012 BKN029 OVC039	14.6	13.2			91%			76.43	0.0	0.15
27	18:15	W 17 G 26	4.83	Rain	SCT017 BKN025 OVC036	14.5	13			91%			76.4	0.0	0.08
27	17:55	W 17	8.05	Rain	SCT013 BKN039 OVC048	15	13.2			89%			76.4	0.0
27	17:35	W 17	8.05	Fog/Mist	SCT014 SCT019 OVC046	15.2	13.6			90%			76.38	0.0
27	17:15	W 22 G 31	6.44	Light Drizzle	SCT014 BKN040 OVC046	15.2	13.3			89%			76.38	0.0
27	16:55	W 19 G 41	6.44	Rain	SCT015 BKN027 OVC038	15.4	12.9			85%			76.38	0.0
27	16:35	W 22 G 30	8.05	Light Rain	BKN023 OVC027	15.9	12.7			81%			76.38	0.0
27	16:15	W 20 G 30	16.09	Overcast	OVC023	16.7	12.2			75%			76.35	0.0
27	15:55	W 20 G 30	16.09	Overcast	OVC021	16.6	12.1			75%			76.35	0.0
27	15:35	W 19 G 28	16.09	Overcast	OVC021	16.9	12			73%			76.35	0.0
27	15:15	W 15	16.09	Overcast	OVC021	17	11.8			72%			76.35	0.0
27	14:55	W 17	16.09	Overcast	OVC021	17	12			73%			76.35	0.0
27	14:35	W 15 G 26	16.09	Overcast	OVC021	16.7	12			74%			76.38	0.0
27	14:15	W 19	16.09	Overcast	OVC021	16.8	11.8			73%			76.38	0.0
27	13:55	W 15 G 26	16.09	Overcast	OVC023	16.9	11.6	18.6	15.9	71%			76.4	0.0
27	13:35	W 15 G 28	16.09	Overcast	OVC023	17.4	11.6			69%			76.4	0.0
27	13:15	W 17 G 31	16.09	Overcast	OVC025	17.6	11.6			68%			76.4	0.0
27	12:55	W 15 G 30	16.09	Overcast	OVC025	18	11.6			66%			76.38	0.0
27	12:35	W 31 G 43	16.09	Overcast	OVC025	18	11.5			66%			76.38	0.0
27	12:15	W 26 G 44	16.09	Mostly Cloudy	BKN028	18.3	11.4			64%			76.4	0.0
27	11:55	W 22 G 41	16.09	Partly Cloudy	SCT026	18.5	11.5			64%			76.38	0.0
27	11:35	W 19 G 37	16.09	Overcast	BKN024 OVC030	17.9	11.3			66%			76.38	0.0
27	11:15	W 20 G 33	16.09	Overcast	BKN024 OVC029	17.6	11.3			67%			76.38	0.0
27	10:55	W 22 G 48	16.09	Overcast	OVC024	17.1	11.3			69%			76.38	0.0
27	10:35	W 30 G 57	16.09	Overcast	OVC024	16.7	11.1			70%			76.35	0.0
27	10:15	W 30 G 46	16.09	Overcast	OVC024	16.6	11			70%			76.33	0.0
27	09:55	W 37 G 59	16.09	Overcast and Breezy	OVC026	16.9	11			68%			76.3	0.0
27	09:35	W 41 G 59	16.09	Mostly Cloudy and Breezy	BKN026 BKN035	16.5	10.8			69%			76.28	0.0
27	09:15	W 44 G 59	16.09	Partly Cloudy and Windy	SCT026 SCT031	16.2	10.7			70%			76.25	0.0
27	08:55	W 41 G 69	16.09	Fair and Breezy	CLR	16.3	10.7			70%			76.25	0.0
27	08:35	W 39 G 65	16.09	Fair and Breezy	CLR	16	10.6			71%			76.23	0.0
27	08:15	W 35 G 61	16.09	Fair and Breezy	CLR	16	10.5			70%			76.23	0.0
27	07:55	W 39 G 57	16.09	Fair and Breezy	CLR	15.9	10.3	17.3	15.7	70%			76.23	0.0
27	07:35	W 31 G 50	16.09	Partly Cloudy	SCT027	16	10.3			69%			76.23	0.0
27	07:15	W 41 G 61	16.09	Partly Cloudy and Breezy	SCT027	15.8	10.2			70%			76.25	0.0
27	06:55	W 37 G 72	16.09	Fair and Breezy	CLR	16	10			68%			76.25	0.0
27	06:35	W 41 G 65	16.09	Fair and Breezy	CLR	16	10			68%			76.23	0.0
27	06:15	W 44 G 81	16.09	Partly Cloudy and Windy	SCT029	16.2	10.1			67%			76.2	0.0
27	05:55	W 52 G 78	16.09	Fair and Windy	CLR	16.2	10.2			68%			76.17	0.0
27	05:35	W 50 G 65	16.09	Fair and Windy	CLR	16.2	10.2			68%			76.17	0.0
27	05:15	W 56 G 74	16.09	Fair and Windy	CLR	16.4	9.8			65%			76.12	0.0
27	04:55	W 65 G 74	16.09	Fair and Windy	CLR	16.4	10			66%			76.1	0.0
27	04:35	W 50 G 67	16.09	Fair and Windy	CLR	16.6	9.8			64%			76.1	0.0
27	04:15	W 46 G 56	16.09	Fair and Windy	CLR	16.7	9.6			63%			76.07	0.0
27	03:55	W 48 G 69	16.09	Fair and Windy	CLR	16.8	9.3			61%			76.1	0.0
27	03:35	W 44 G 61	16.09	Fair and Windy	CLR	16.7	9.5			63%			76.1	0.0
27	03:15	W 31 G 43	16.09	Fair	CLR	16.8	9.2			61%			76.15	0.0
27	02:55	W 13 G 33	16.09	Fair	CLR	16.6	9.5			63%			76.17	0.0
27	02:35	W 20 G 39	16.09	Fair	CLR	16.9	9.5			62%			76.23	0.0
27	02:15	W 31 G 48	16.09	Fair	CLR	17.2	9.5			61%			76.2	0.0
27	01:55	SW 22 G 46	16.09	Fair	CLR	17.3	9.5	18.6	15.1	60%			76.17	0.0
27	01:35	W 20 G 46	16.09	Fair	CLR	17.2	9.6			61%			76.17	0.0
27	01:15	SW 7	16.09	Fair	CLR	16.1	9.4			65%			76.23	0.0
27	00:55	E 6	16.09	Fair	CLR	15.6	9.1			65%			76.23	0.0
27	00:35	Calm	16.09	Fair	CLR	15.9	9.3			65%			76.25	0.0
27	00:15	Calm	16.09	Fair	CLR	15.5	8.8			65%			76.28	0.0
26	23:55	SW 7	16.09	Fair	CLR	15.9	8.7			63%			76.25	0.0
26	23:35	SW 6	16.09	Fair	CLR	17	8.7			58%			76.33	0.0
26	23:15	SW 7	16.09	Fair	CLR	17.3	8.6			57%			76.33	0.0
26	22:55	W 9	16.09	Fair	CLR	17.4	8.6			56%			76.33	0.0
26	22:35	SW 7	16.09	Fair	CLR	16.6	9.1			61%			76.33	0.0
26	22:15	S 6	16.09	Fair	CLR	16.8	9.6			63%			76.33	0.0
26	21:55	Calm	16.09	Fair	CLR	16.1	9.8			66%			76.3	0.0
26	21:35	S 6	16.09	Fair	CLR	16.7	10			65%			76.33	0.0
26	21:15	Calm	16.09	Fair	CLR	16.7	9.7			64%			76.35	0.0
26	20:55	S 7	16.09	Fair	CLR	17.5	9.8			61%			76.35	0.0
26	20:35	S 7	16.09	Fair	CLR	17.7	9.7			60%			76.35	0.0
26	20:15	S 7	16.09	Fair	CLR	17.9	9.5			58%			76.35	0.0
26	19:55	S 13	16.09	Fair	CLR	18.6	9.5	21.4	17.7	56%			76.35	0.0
26	19:35	S 13	16.09	Fair	CLR	18.8	9.5			55%			76.35	0.0
26	19:15	S 11	16.09	Partly Cloudy	SCT050	19.3	9.5			53%			76.38	0.0
26	18:55	S 11	16.09	Mostly Cloudy	BKN050 BKN065	19.6	9.5			52%			76.38	0.0
26	18:35	S 9	16.09	Mostly Cloudy	BKN050	20	9.5			51%			76.38	0.0
26	18:15	SW 9	16.09	Fair	CLR	20.6	9.2			48%			76.38	0.0
26	17:55	SW 7	16.09	Fair	CLR	20.7	9.1			48%			76.38	0.0
26	17:35	SW 13	16.09	Fair	CLR	21.1	9.5			48%			76.38	0.0
26	17:15	W 15	16.09	Fair	CLR	21.1	9.5			48%			76.4	0.0
26	16:55	W 20 G 26	16.09	Partly Cloudy	SCT050 SCT060 SCT120	20.7	9.5			49%			76.43	0.0
26	16:35	W 24 G 30	16.09	Overcast	BKN050 OVC120	20	9.5			51%			76.45	0.0
26	16:15	W 17	16.09	Overcast	SCT049 SCT060 OVC120	20.2	9.2			49%			76.45	0.0
26	15:55	W 17 G 26	16.09	Mostly Cloudy	SCT049 BKN120	20.1	9.3			50%			76.45	0.0
26	15:35	W 15	16.09	Mostly Cloudy	BKN049	20	9.2			50%			76.45	0.0
26	15:15	W 17 G 26	16.09	Partly Cloudy	SCT047	20.1	9.2			50%			76.48	0.0
26	14:55	W 26 G 35	16.09	Partly Cloudy	SCT049 SCT055	20.4	9.5			50%			76.5	0.0
26	14:35	W 17 G 31	16.09	Partly Cloudy	SCT055	19.6	9.8			53%			76.53	0.0
26	14:15	W 19 G 30	16.09	Partly Cloudy	SCT050	18.3	9.9			58%			76.56	0.0
26	13:55	W 24 G 41	16.09	Mostly Cloudy	BKN050	17.5	10	17.5	11.3	62%			76.58	0.0
26	13:35	W 24 G 35	16.09	Overcast	OVC050	16.7	10			65%			76.63	0.0
26	13:15	W 22 G 30	16.09	Overcast	OVC050	16.5	9.8			65%			76.66	0.0
26	12:55	W 17	16.09	Overcast	OVC048	15.9	9.6			66%			76.66	0.0
26	12:35	W 15	16.09	Overcast	SCT043 OVC050	15.5	9.6			68%			76.68	0.0
26	12:15	W 24 G 35	16.09	Overcast	OVC050	15.7	9.5			67%			76.71	0.0
26	11:55	W 26 G 37	16.09	Overcast	OVC050	15.7	9.3			66%			76.71	0.0
26	11:35	W 26 G 41	16.09	Overcast	OVC050	15.6	9			65%			76.68	0.0
26	11:15	W 20 G 35	16.09	Overcast	OVC050	15.2	9			67%			76.71	0.0
26	10:55	W 26 G 37	16.09	Overcast	OVC050	15.5	8.8			65%			76.71	0.0
26	10:35	W 20 G 33	16.09	Partly Cloudy	SCT050	15.2	8.8			66%			76.71	0.0
26	10:15	W 11	16.09	Partly Cloudy	SCT050	14.8	8.6			67%			76.68	0.0
26	09:55	W 20	16.09	Mostly Cloudy	SCT047 BKN055	14.6	8.3			66%			76.68	0.0
26	09:35	W 24 G 35	16.09	Overcast	SCT025 BKN047 OVC055	14.5	8.3			67%			76.68	0.0
26	09:15	W 22 G 33	16.09	Mostly Cloudy	BKN055	14.2	8.2			67%			76.68	0.0
26	08:35	W 24 G 39	16.09	Overcast	OVC050	13	7.7			70%			76.66	0.0
26	08:15	W 9 G 30	16.09	Mostly Cloudy	BKN048	12.5	7.4			71%			76.68	0.0
26	07:55	SW 13 G 26	16.09	Partly Cloudy	SCT044 SCT050	12.8	7.5	12.8	6.2	70%			76.63	0.0
26	07:35	W 19 G 33	16.09	Partly Cloudy	SCT048	12.8	7.5			70%			76.63	0.0
26	07:15	W 20 G 37	16.09	Fair	CLR	12.5	7.2			70%			76.61	0.0
26	06:55	W 19 G 30	16.09	Fair	CLR	11.9	7			72%			76.63	0.0
26	06:35	W 17 G 26	16.09	Partly Cloudy	SCT042	11.3	6.7			74%			76.61	0.0
26	06:15	W 11	16.09	Partly Cloudy	SCT050	9.1	5.1			76%	8		76.61	0.0
26	05:55	S 6	16.09	Mostly Cloudy	SCT045 BKN050	8.4	4.6			77%			76.58	0.0
26	05:35	S 6	16.09	Mostly Cloudy	BKN045 BKN050	7.3	3.6			78%			76.58	0.0
26	05:15	Calm	16.09	Mostly Cloudy	SCT023 SCT045 BKN050	7	3.5			79%			76.58	0.0
26	04:55	S 6	16.09	Partly Cloudy	SCT023 SCT031	7.3	3.4			77%			76.58	0.0
26	04:35	SE 6	16.09	Overcast	BKN023 BKN041 OVC060	7.2	3.4			77%			76.58	0.0
26	04:15	SE 6	16.09	Mostly Cloudy	SCT025 SCT039 BKN060	6.2	3.2			81%			76.58	0.0
26	03:55	Calm	16.09	Mostly Cloudy	BKN060	6.8	3.2			78%			76.63	0.0
26	03:35	SE 6	16.09	Partly Cloudy	SCT060	7	3.2			77%			76.63	0.0
26	03:15	S 6	16.09	Fair	CLR	6.8	3			77%			76.61	0.0
26	02:55	Calm	16.09	Partly Cloudy	SCT031	7.4	3.1			74%			76.63	0.0
26	02:35	Calm	16.09	Partly Cloudy	SCT031	7.6	3.2			74%			76.63	0.0
26	02:15	Calm	16.09	Fair	CLR	7.5	3.2			74%			76.63	0.0
26	01:55	Calm	16.09	Fair	CLR	7.8	3.2	10.7	7.8	73%			76.63	0.0
26	01:35	S 6	16.09	Fair	CLR	8	3.2			72%			76.63	0.0
26	01:15	SE 7	16.09	Fair	CLR	8.1	3.1			71%	7		76.66	0.0
26	00:55	S 6	16.09	Fair	CLR	8.3	3			70%			76.66	0.0
26	00:35	S 6	16.09	Fair	CLR	8.4	2.8			68%			76.66	0.0
26	00:15	S 9	16.09	Fair	CLR	8.7	2.7			66%	7		76.66	0.0
25	23:55	SE 9	16.09	Fair	CLR	9	2.5			64%	8		76.68	0.0
25	23:35	SE 7	16.09	Fair	CLR	9.1	2			61%	8		76.68	0.0
25	23:15	S 7	16.09	Fair	CLR	9.5	1.5			58%	9		76.68	0.0
25	22:55	S 7	16.09	Fair	CLR	9.5	1			56%	9		76.68	0.0
25	22:35	S 9	16.09	Fair	CLR	9.6	0.6			54%	9		76.68	0.0
25	22:15	SE 9	16.09	Fair	CLR	9.6	0.6			54%	9		76.71	0.0
25	21:55	SE 9	16.09	Fair	CLR	9.6	0.5			53%	9		76.71	0.0
25	21:35	SE 6	16.09	Fair	CLR	10	0.4			52%			76.73	0.0
25	21:15	SE 7	16.09	Fair	CLR	10	0.2			51%	9		76.71	0.0
25	20:55	SE 7	16.09	Fair	CLR	10.1	0.2			51%			76.68	0.0
25	20:35	S 7	16.09	Fair	CLR	10.3	0			49%			76.71	0.0
25	20:15	S 9	16.09	Fair	CLR	10.7	0			48%			76.68	0.0
25	19:55	SE 11	16.09	Fair	CLR	10.7	-0.2	14.6	10.7	47%			76.68	0.0
25	19:35	SE 9	16.09	Fair	CLR	11.4	-0.4			44%			76.68	0.0
25	19:15	S 17	16.09	Fair	CLR	12	-0.8			41%			76.68	0.0
25	18:55	SE 9	16.09	Fair	CLR	12.6	-0.8			40%			76.68	0.0
25	18:35	SE 13	16.09	Fair	CLR	12.7	-0.9			39%			76.68	0.0
25	18:15	S 13 G 30	16.09	Fair	CLR	13	-1			38%			76.66	0.0
25	17:55	S 11	16.09	Fair	CLR	13.2	-1.5			36%			76.68	0.0
25	17:35	S 17 G 28	16.09	Fair	CLR	13.4	-1.8			35%			76.68	0.0
25	17:15	SE 15 G 28	16.09	Fair	CLR	13.6	-2.2			34%			76.66	0.0
25	16:55	SE 20 G 28	16.09	Fair	CLR	13.9	-2.5			32%			76.66	0.0
25	16:35	SE 13	16.09	Fair	CLR	14.2	-2.1			33%			76.68	0.0
25	16:15	SE 15	16.09	Fair	CLR	13.9	-2.3			33%			76.68	0.0
25	15:55	SE 20 G 28	16.09	Fair	CLR	14.5	-1.9			32%			76.71	0.0
25	15:35	SE 17 G 30	16.09	Fair	CLR	13.7	-2.2			33%			76.71	0.0
25	15:15	SE 11 G 26	16.09	Fair	CLR	13.8	-1.4			35%			76.76	0.0
25	14:55	SE 19 G 28	16.09	Fair	CLR	13.2	-1.6			36%			76.78	0.0
25	14:35	SE 11 G 30	16.09	Fair	CLR	13.1	-1.5			37%			76.81	0.0
25	14:15	SE 15 G 28	16.09	Fair	CLR	12.9	-0.6			40%			76.81	0.0
25	13:55	SE 13	16.09	Fair	CLR	12	-1.1	12.6	0	41%			76.86	0.0
25	13:35	SE 15 G 31	16.09	Fair	CLR	11.5	-1.2			42%			76.86	0.0
25	13:15	SE 13	16.09	Fair	CLR	11.5	-1.5			41%			76.89	0.0
25	12:55	SE 13	16.09	Fair	CLR	11	-1.5			42%			76.91	0.0
25	12:35	E 15	16.09	Fair	CLR	10.4	-2.1			42%			76.94	0.0
25	12:15	E 13	16.09	Fair	CLR	10	-2.1			43%	8		76.99	0.0
25	11:55	E 11	16.09	Fair	CLR	9.6	-1.9			45%	8		76.99	0.0
25	11:35	E 9	16.09	Fair	CLR	9.1	-2.3			45%	8		76.99	0.0
25	11:15	SE 13	16.09	Fair	CLR	8.3	-2.5			47%	6		76.99	0.0
25	10:55	S 7	16.09	Partly Cloudy	SCT120	7.3	-3.4			47%	6		76.99	0.0
25	10:35	SE 7	16.09	Partly Cloudy	SCT110	6.5	-3.6			49%	5		76.99	0.0
25	10:15	S 7	16.09	Partly Cloudy	SCT110	5.9	-3.8			50%	5		76.96	0.0
25	09:55	S 7	16.09	Fair	CLR	4.7	-3.8			54%	3		76.96	0.0
25	09:35	S 9	16.09	Fair	CLR	3.8	-4.6			55%	2		76.99	0.0
25	09:15	SE 6	16.09	Fair	CLR	3.2	-4.7			57%			76.99	0.0
25	08:55	SE 6	16.09	Fair	CLR	2.9	-4.9			57%			76.96	0.0
25	08:35	Calm	16.09	Fair	CLR	2.1	-4.7			61%			76.96	0.0
25	08:15	Calm	16.09	Fair	CLR	0.4	-4.9			68%			76.94	0.0
25	07:55	Calm	16.09	Fair	CLR	0.3	-5.7	2.3	-0.2	64%			76.96	0.0
25	07:35	Calm	16.09	Partly Cloudy	SCT120	0.2	-5.6			65%			76.91	0.0
25	07:15	Calm	16.09	Partly Cloudy	SCT120	0.8	-6			61%			76.89	0.0
25	06:55	Calm	16.09	Mostly Cloudy	BKN120	-0.2	-5.5			68%			76.89	0.0
25	06:35	Calm	16.09	Partly Cloudy	SCT120	1.1	-6.1			59%			76.89	0.0
25	06:15	Calm	16.09	Partly Cloudy	SCT120	1.9	-6.4			55%			76.86	0.0
25	05:55	Calm	16.09	Fair	CLR	0.8	-6			61%			76.86	0.0
25	05:35	Calm	16.09	Fair	CLR	1.4	-6.2			57%			76.86	0.0
25	05:15	SW 6	16.09	Fair	CLR	0.7	-5.7			63%			76.86	0.0
25	04:55	S 6	16.09	Fair	CLR	0.6	-5.6			64%			76.86	0.0
25	04:35	Calm	16.09	Fair	CLR	0.5	-5.6			64%			76.86	0.0
25	04:15	Calm	16.09	Fair	CLR	1	-5.7			61%			76.86	0.0
25	03:55	Calm	16.09	Fair	CLR	0.7	-5.6			63%			76.89	0.0
25	03:35	Calm	16.09	Fair	CLR	1.6	-6			57%			76.89	0.0
25	03:15	Calm	16.09	Fair	CLR	1.3	-5.5			61%			76.91	0.0
25	02:55	S 6	16.09	Fair	CLR	1.1	-5.3			63%			76.94	0.0
25	02:35	Calm	16.09	Fair	CLR	1.2	-5.5			61%			76.94	0.0
25	02:15	Calm	16.09	Fair	CLR	0.7	-5.3			65%			76.96	0.0
25	01:55	SE 7	16.09	Fair	CLR	2.1	-6.1	5.2	1.7	55%	0		76.96	0.0
25	01:35	S 6	16.09	Fair	CLR	1.7	-5.8			58%			76.99	0.0
25	01:15	Calm	16.09	Fair	CLR	2.6	-6.1			53%			77.01	0.0
25	00:55	Calm	16.09	Fair	CLR	3	-6.2			51%			77.04	0.0
25	00:35	Calm	16.09	Fair	CLR	2.6	-6			54%			77.04	0.0
25	00:15	S 7	16.09	Fair	CLR	2.9	-6.1			52%	1		77.01	0.0
24	23:55	Calm	16.09	Fair	CLR	3.1	-6.5			50%			77.01	0.0
24	23:35	Calm	16.09	Fair	CLR	3.1	-6.6			49%			77.01	0.0
24	23:15	S 6	16.09	Fair	CLR	3.2	-6.5			49%			76.99	0.0
24	22:55	S 6	16.09	Fair	CLR	3.5	-6.4			49%			77.01	0.0
24	22:35	S 6	16.09	Fair	CLR	3.3	-6.1			51%			77.01	0.0
24	22:15	S 9	16.09	Fair	CLR	3.6	-6.1			49%	1		77.01	0.0
24	21:55	S 7	16.09	Fair	CLR	4	-6.3			47%	2		77.06	0.0
24	21:35	S 6	16.09	Fair	CLR	4.1	-6.5			46%			77.04	0.0
24	21:15	S 6	16.09	Fair	CLR	4.2	-6.2			47%			77.04	0.0
24	20:55	S 6	16.09	Fair	CLR	4.5	-6.5			45%			77.01	0.0
24	20:35	S 6	16.09	Fair	CLR	4.7	-6.5			44%			76.99	0.0
24	20:15	Calm	16.09	Fair	CLR	5.1	-6.7			43%			76.99	0.0
24	19:55	SE 6	16.09	Fair	CLR	5.2	-6.5	9.6	5.2	43%			76.96	0.0
Date	Time (edt)	Wind (kph)	Vis. (km)	Weather	Sky Cond.	Air	Dwpt	Max.	Min.	Relative Humidity	Wind Chill (°C)	Heat Index (°C)	altimeter (cm)	sea level (mb)	1 hr	3 hr	6 hr
								6 hour
						Temperature (ºC)							Pressure		Precipitation (cm)